1363131139 has 2 divisors, whose sum is σ = 1363131140. Its totient is φ = 1363131138.

The previous prime is 1363131137. The next prime is 1363131157. The reversal of 1363131139 is 9311313631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1363131139 - 2¹ = 1363131137 is a prime.

It is a super-2 number, since 2×1363131139² = 3716253004222874642, which contains 22 as substring.

Together with 1363131137, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1363131139.

It is not a weakly prime, because it can be changed into another prime (1363131131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 681565569 + 681565570.

It is an arithmetic number, because the mean of its divisors is an integer number (681565570).

Almost surely, 2^1363131139 is an apocalyptic number.

1363131139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1363131139 is an equidigital number, since it uses as much as digits as its factorization.

1363131139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4374, while the sum is 31.

The square root of 1363131139 is about 36920.6058861444. The cubic root of 1363131139 is about 1108.7812663263.

The spelling of 1363131139 in words is "one billion, three hundred sixty-three million, one hundred thirty-one thousand, one hundred thirty-nine".